From patchwork Mon Apr 26 07:29:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 427926 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08813C433B4 for ; Mon, 26 Apr 2021 07:31:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CABAF611C9 for ; Mon, 26 Apr 2021 07:31:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232216AbhDZHbn (ORCPT ); Mon, 26 Apr 2021 03:31:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:41932 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232229AbhDZHbn (ORCPT ); Mon, 26 Apr 2021 03:31:43 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3253061041; Mon, 26 Apr 2021 07:31:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1619422261; bh=H77XajsLMRrhBAPqkJLSrTD6QTKk2CwQNIpgM7uDQCI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jGCI3UBZzp7lNnldjSt/KqkCfDOqDKoY4dL+2di+kfg/amdKcIbxn9NXDpgg4XdUO YgOI2ec7ro+bIlShGqz9T3MIZraZNjTeIK+nVg3fCChJJh7L3AkpTrbCfGWzsDJFlu cx6fL3x8hz/gBpfDdtZR19+m2x2uUfhMEnfCxdz4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexander Aring , Stefan Schmidt , Sasha Levin Subject: [PATCH 4.4 15/32] net: ieee802154: forbid monitor for add llsec seclevel Date: Mon, 26 Apr 2021 09:29:13 +0200 Message-Id: <20210426072817.112832229@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210426072816.574319312@linuxfoundation.org> References: <20210426072816.574319312@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alexander Aring [ Upstream commit 9ec87e322428d4734ac647d1a8e507434086993d ] This patch forbids to add llsec seclevel for monitor interfaces which we don't support yet. Otherwise we will access llsec mib which isn't initialized for monitors. Signed-off-by: Alexander Aring Link: https://lore.kernel.org/r/20210405003054.256017-14-aahringo@redhat.com Signed-off-by: Stefan Schmidt Signed-off-by: Sasha Levin --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index f07a3027d66c..b2ff2f7329c3 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -2103,6 +2103,9 @@ static int nl802154_add_llsec_seclevel(struct sk_buff *skb, struct wpan_dev *wpan_dev = dev->ieee802154_ptr; struct ieee802154_llsec_seclevel sl; + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + return -EOPNOTSUPP; + if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL], &sl) < 0) return -EINVAL;